Searching exchange 2010 for exact character string "test.0000-000"

We are a law firm and like many firms each case we deal with has a client/matter number associated with it. Our format is client.matter-submatter. 9900.0001-000

After upgrading to Exchange 2010 when we search for 9900.0001-000 the results include all messages with 9900 or 0001 or 000. This makes searching completly useless for us. We use Outlook 2007 but have seen the same behavior in Outlook 2010 and Outlook Web Access.

Adding quotes or using advanced find does not help. In Exchange 2003 we could search for 9900.0001-000 3 years ago we migrated to 2007 we could search by adding a space instead of the seperator. ie. 9900 0001 000

In SQL you can set stop words. Does anyone know if there is any way to set what characters exchange/outlook decides to ignore when searching?

Be interested in any answers. We have Exchange 2010 and most users use either outlook 2010, outlook 2011 or OWA. We've noticed that searches in OWA and in outlook produce different results. We have not found a reasonable answer for this incongruity.

There are two types of searching in exchange. Exchange Search and Exchange STORE Search.

With content Indexing enabled you use Exchange Search and that is what we were/are doing.
It is faster but and works well with words but does not work with exact string searches like our docket number.

If we disable Content Indexing (see command below) and restart Microsoft Search (Exchange) service. We use will Exchange Store Search.

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This video shows how to remove a single email address from the Outlook 2010 Auto Suggestion memory.
NOTE: For Outlook 2016 and 2013 perform the exact same steps.
Open a new email: Click the New email button in Outlook.
Start typing the address: …